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Delhi Police SI Electricity — practice questions

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The resistance of a conductor does NOT depend on which of the following factors?Read the answer and worked solution →

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The resistance of a conductor does NOT depend on which of the following factors?

  1. Length
  2. Area of cross section
  3. Material
  4. Pressure
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Correct answer: D. Pressure

1. Resistance R = (resistivity x length) / area of cross section. 2. Resistivity depends on the material and temperature. 3. Pressure is not a factor in this relation, so resistance does not depend on it. _Source: RRB Group D CEN-02/2018 PYQ, Q.23._

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